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D0I:10.13374.issn1001-053x.2012.10.007 第34卷第10期 北京科技大学学报 Vol.34 No.10 2012年10月 Journal of University of Science and Technology Beijing 0ct.2012 基于硫平衡计算的低硫烧结原料控制标准 刘征建2四张建良12》 安钢》杨天钧2) 1)北京科技大学治金与生态工程学院,北京1000832)钢铁治金新技术国家重点实验室,北京100083 3)首钢京唐钢铁公司烧结分厂,唐山063200 ☒通信作者,E-mail:liuzhengjian@126.com 摘要首先根据首钢京唐钢铁公司烧结生产数据进行系统的硫平衡计算,分析各种烧结原料对废气中S02排放量的影响 权重,并在此基础上作合理假设,结合国家标准对于不同烧结机$02排放量的统一计量方法,推导出烧结原料硫含量与$02 排放量判定指标的关系式,建立低硫烧结原料控制标准。首钢京唐钢铁公司烧结生产若要满足S00mgm·的S02质量浓度限 值,需要将混合料中硫的质量分数降至0.032%以下;若要满足200mg"m·的S02质量浓度限值,需要将混合料硫的质量分数 降至0.013%以下,而这在当前的原料条件下是难以实现的 关键词烧结:二氧化硫:排放控制:计算 分类号T℉046.4 Control criterion of low-sulfur sintering materials based on sulfur balance calcu- lations LIU Zheng jian),ZHANG Jian-liang),AN Gang,YANG Tian-jun') 1)School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China 2)State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China 3)Shougang Jiangtang Steel Sintering Plant,Tangshan 063200,China Corresponding author,E-mail:liuzhengjian@126.com ABSTRACT Sulfur balance calculations were performed according to production data from Shougang Jingtang Steel Sintering Plant. The impact weight of each sintering material on SO concentration in sintering waste gas was analyzed,based on which some reasonable assumptions were made.In combination with the uniform measurement method of S0,emission concentration for different sintering machines in Chinese standards,a relation formula between sulfur content in the sintering materials and judging index for S0,emission concentration was deduced and a control criterion for low-sulfur sintering materials was established.If Shougang Jingtang Steel Sintering Plant wants to meet the SO,emission concentration of 500 mgm3,the sulfur content in the sintering mixture need reduce to below 0.032%if it wants to meet the SO emission concentration of 200mg*m,the sulfur content in the sintering mixture need reduce to below 0.013%,but it is very difficult to realize under the current material condition. KEY WORDS ore sintering:sulfur dioxide;emission control:calculations 烧结原料带入硫量的高低一般以硫负荷的大小 足SO,排放质量浓度限值.尽管硫负荷的大小可以 来判断,硫负荷定义为每吨成品烧结矿由原料带入 在一定程度上表示烧结原料带入硫量的高低,但是 硫的总量0.目前控制烧结工序$O,排放的一个重 具体关于烧结原料硫含量与实际S02排放质量浓度 要考核指标是$0,排放质量浓度限值回,低硫烧结 的量化关系仍不清楚.为了明确低硫烧结原料的控 原料就是指在使用其在进行烧结生产时,烧结烟气 制标准,下面首先进行针对首钢京唐钢铁公司烧结 不经过稀释或烟气脱硫等措施而直接排放,即可满 工序硫平衡计算,明确各种烧结原料对废气中$02 收稿日期:2012-08-26 基金项目:“十一五”国家科技支撑计划重大项目(2006BAE03A0I)第 34 卷 第 10 期 2012 年 10 月 北京科技大学学报 Journal of University of Science and Technology Beijing Vol. 34 No. 10 Oct. 2012 基于硫平衡计算的低硫烧结原料控制标准 刘征建1,2) ! 张建良1,2) 安 钢3) 杨天钧1,2) 1) 北京科技大学冶金与生态工程学院,北京 100083 2) 钢铁冶金新技术国家重点实验室,北京 100083 3) 首钢京唐钢铁公司烧结分厂,唐山 063200 !通信作者,E-mail: liuzhengjian@ 126. com 摘 要 首先根据首钢京唐钢铁公司烧结生产数据进行系统的硫平衡计算,分析各种烧结原料对废气中 SO2 排放量的影响 权重,并在此基础上作合理假设,结合国家标准对于不同烧结机 SO2 排放量的统一计量方法,推导出烧结原料硫含量与 SO2 排放量判定指标的关系式,建立低硫烧结原料控制标准. 首钢京唐钢铁公司烧结生产若要满足 500 mg·m - 3 的 SO2 质量浓度限 值,需要将混合料中硫的质量分数降至 0. 032% 以下; 若要满足 200 mg·m - 3 的 SO2 质量浓度限值,需要将混合料硫的质量分数 降至 0. 013% 以下,而这在当前的原料条件下是难以实现的. 关键词 烧结; 二氧化硫; 排放控制; 计算 分类号 TF046. 4 Control criterion of low-sulfur sintering materials based on sulfur balance calcu￾lations LIU Zheng-jian1,2) !,ZHANG Jian-liang1,2) ,AN Gang3) ,YANG Tian-jun1,2) 1) School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China 2) State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China 3) Shougang Jiangtang Steel Sintering Plant,Tangshan 063200,China !Corresponding author,E-mail: liuzhengjian@ 126. com ABSTRACT Sulfur balance calculations were performed according to production data from Shougang Jingtang Steel Sintering Plant. The impact weight of each sintering material on SO2 concentration in sintering waste gas was analyzed,based on which some reasonable assumptions were made. In combination with the uniform measurement method of SO2 emission concentration for different sintering machines in Chinese standards,a relation formula between sulfur content in the sintering materials and judging index for SO2 emission concentration was deduced and a control criterion for low-sulfur sintering materials was established. If Shougang Jingtang Steel Sintering Plant wants to meet the SO2 emission concentration of 500 mg·m - 3 ,the sulfur content in the sintering mixture need reduce to below 0. 032% ; if it wants to meet the SO2 emission concentration of 200 mg·m - 3 ,the sulfur content in the sintering mixture need reduce to below 0. 013% ,but it is very difficult to realize under the current material condition. KEY WORDS ore sintering; sulfur dioxide; emission control; calculations 收稿日期: 2012--08--26 基金项目:“十一五”国家科技支撑计划重大项目( 2006BAE03A01) 烧结原料带入硫量的高低一般以硫负荷的大小 来判断,硫负荷定义为每吨成品烧结矿由原料带入 硫的总量[1]. 目前控制烧结工序 SO2 排放的一个重 要考核指标是 SO2 排放质量浓度限值[2],低硫烧结 原料就是指在使用其在进行烧结生产时,烧结烟气 不经过稀释或烟气脱硫等措施而直接排放,即可满 足 SO2 排放质量浓度限值. 尽管硫负荷的大小可以 在一定程度上表示烧结原料带入硫量的高低,但是 具体关于烧结原料硫含量与实际 SO2 排放质量浓度 的量化关系仍不清楚. 为了明确低硫烧结原料的控 制标准,下面首先进行针对首钢京唐钢铁公司烧结 工序硫平衡计算,明确各种烧结原料对废气中 SO2 DOI:10.13374/j.issn1001-053x.2012.10.007
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